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63,263
RESULTS

Media Type
57,749
texts
2,510
movies
2,274
audio
446
images
178
software
72
data
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Topics & Subjects
21,524
NASA Technical Reports Server (NTRS)
4,547
control
4,490
ERIC Archive
3,417
data
3,344
remote control
3,142
DTIC Archive
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Collection
21,524
NASA Network Resource and Training Site
6,992
The ARCHIVE.ORG Manual Library
6,062
The BITSAVERS.ORG Documents Library
5,888
American Libraries
4,490
Education Resources Information Center (ERIC) Archive
4,290
FEDLINK - United States Federal Collection
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Creator
21,524
nasa technical reports server (ntrs)
4,490
eric
3,142
defense technical information center
1,217
united states. bureau of entomology and plant quarantine
468
united states.: bureau of entomology and plant quarantine
337
non
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Language
58,335
English
156
Spanish
127
German
67
French
19
Arabic
12
Portuguese
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